Manufacture of rolls of short-fiber material suitable for twisting and spinning.



No."762,914. PATENTED' JUNE 21,3904,

R. KRON, JB- v v MANUFACTURE OF ROLLS 0? SHORT FIBER MATERIAL SUITABLE FOR TWISTING mnsrmmue.

APPLICATION FILED DBO. 6, 1902.

N0 MODEL.

LJMMPNN- resident of Golzern, Kingdom of Saxony,, German Empire, have invented new and use- Unirnn' STATEsaUnoLF nsoiv,

Patented June 21, 1904.

JR,,,1.0F GQLZERN, GERMANY.

MANUFAfLfURE OF' ROLLS 0F SHORT-FIBER, MATE RlAL SUITABLE l'ORTWlSTING AND SPiNNlNG;

SPEUWTGATION forming part of Letters Patent No. 762,914,, dated June 21, 1904, Application filed December 6. 1902. Serial No. 134,201. (No specimens.)

To wltngie 'it may concern.-

nan known that I, RUDOLF KRoN, Jr., a citizen of the Republic of Switzerlanchand a ful Improvements in the Manufacture of Rolls of Shaft-Fiber Material Suitable for Twisting and Spinning, of which the following is a specification.

This invention relates to the manufacture from short-fiber asbestos, cellulose,'and similar materials of rolls, which I term magazine-rolls, from which the material may be drawn 0E in strips suitable for spinning,

twisting,'and the like; and it consi'stsboth in the novel process hereinafter described of producing such a roll and in the roll so produced.

According to this process the asbestos or other short-fibermaterial is macerated or. re-

duced to a pulp or paste, and this is formed into a broad endless web in a similar manner to that adopted in papermaking. Firmness,

is imparted to this web by draining, suction, pressing, and drying. The resulting web of material while in its pulpy condition is furrowed in the direction of its length at suitable intervals in its width and to such depth as to nearly divide it into a large number of narrow strips and is then drained and pressed or otherwise deprived of water and dried sufficiently, but so that it still contains a suitg able degree of moisture to enable the strips which are produced by separating the \veb in the furrows to be spun moist." For'the purpose of thus furrowing the web a numberoi' fine spraysor jets of liquid, steam, or air may be caused to impinge .upon the web of pulp as this is formed and carried forward on a woven-Wire, felt, or other forming-surface, the

distance apart of these sprays or jets corrcspending to.'the desired breadth of, the strips.

in order to prevent the partly-formed strips of pulp or material from floating apart under the action of the jets or sprays and to insure the preservation of their proper relative positions, a powerful suction apparatus is'disposed below the web. The jets or sprays winch produce the dividing-furrows are proected under a very high pressure and are of mandrel 7).

great fineness, so that the furrows produced are so fine that in the subsequent pressing and partial drying of the web they become practically closed, while the fibers of them'a terial which connect the intervening strips are nevertheless so' readily separable that a slight pull suiiices to draw .ofi' the strips from the apparently uniform and undivided web.

In the accompanying drawings, Figure 1. represents a perspective view of a magazineroll, which and the process for obtaining it constitute my invention; and Fig. 2, a plan, partly in section. Fig. 3 shows, one larger scale, in section, the web with the furrows for forming the undividedstrips. c 5

The web it coming from the screen of a paper-making machine is wound on a core or mandrel h.

c represents the furrows provided in the manner described aboveeither-during or af- 7 tor the formation of the web The strips from the -.breadth of the web can be divided or separated'by a cutting action, as shown at (I, so that sh ortcr magazine-rolls are obtained, which are contained together on the core or in the example shown a shorter magazine-roll consists of five small strips snbdivided by furrows. From such a shorter magazine roll, whichmay be slipped from the core or mandrelb, the separate strips can be' 30 drawn oil by aver; little pull to supply'them to the spinning, twisting, spooling machines and the like,

1 claim I 1, The process herein described for manu- 5 factoring magazine rolls of short-fiber material from which strips may be supplied to a spinning, spooling or twisting machine .in a

moist condition,said moeess consisting in forming from a pulp of the short-fibermate- 9 rial an adherent brifitd endless web, furrowing said web in the direction of its length at suitable intervals in its width and rolling the so-furrowed web in the form of a solidly-coinpact roll from which the strips may-be drawn oil one or more at a time.

2.. The process herein described for manufacturing magazine-rolls of short-fiber mate-- rial from which strips. may be supplied to a spinning, sp'ooliug or twisting machine in a 9 moist condition,

vsaid process consisting 'in forming from moist pulp of the short-fiber matei-ial anadlieren't broaxl endless web, furrow'ing said web at suitable inter drying-said web and in the direction of its length vals in-its width. partiallyrolling the so-furrowed' and partially-dried web inthe form of a sol-f idly-compact roll from which strips may be drawn of? one or 3. As a newimproved article of miinufacture magazine-r0 moist condition, herent broad end pulp of the shortmore ate time.

In-testimony that I claimenee-of two Witnesses; this 17th 'ing its formation on the screen of a papermachine in'the direction of its length etsuitand pertiallyflrfxd off one or more at a time.

the foregoii'ig' as signed my name, in presday of No-v my invention 1 have vember, 1902.

RUDOLF KRON, J UNIOR: Witnesses:

' Jose M. (,nnAUn'n,

R. URGOE'II. 

